Prince William through the years

Prince William has grown from cute toddler to dashing prince. Take a look back at the life of the man who will one day be king.

Prince William is seen making a royal salute as he watches a scene of the Trooping the Color from the balcony of Buckingham Palace with his brother, Harry, and mother, Princess Diana, in London in this June 15, 1985, file photograph.

The Prince and Princess of Wales on holiday with their children, Princes William and Harry, at the Spanish royal residence Marivent Palace, August 1987.

Princess Diana holds Prince Harry as her older son, Prince William, looks out over the balcony of Buckingham Palace in London on June 11, 1988, after attending the Trooping the Color ceremony, the queen's birthday parade.

Diana, Princess of Wales, is seen arriving at a memorial service with her sons Princes William, left, and Harry during the 50th anniversary of the Blitz of London in this October 1990 file photograph.

Princess Diana and Prince William applaud the prize-giving ceremony for the women's singles final at Wimbledon, July 2, 1994.

The Prince and Princess of Wales and family outside Manor House at Eton College with housemaster Dr. Andrew Gailey on Prince William's first day at the school, September 1995.

Members of the British Royal Family sit for an official portrait in the white drawing room at Windsor Castle after Prince William's confirmation at St. Georges Chapel, March 9, 1997. Pictured are (left to right, front row) Prince Harry, Diana Princess of Wales, Prince William, the Prince of Wales, Queen Elizabeth, (back row left to right) King Constatine of Greece, Lady Susan Hussey, Princess Alexandra, the Duchess of Westminster and Lord Romsey.

Princes William and Harry with their father, Prince Charles, and uncle, Earl Spencer, outside Westminster Abbey on the day of their mother's funeral service, Sept. 6, 1997.

Prince Charles and his sons Prince William and Prince Harry smile during the official photo call on Mount Madrisa in Klosters on April 7, 2000.

Prince William stands in this photo, one of a series officially released by St. James Palace, to mark the prince's 18th birthday.

Members of Britain's royal family (left to right) Princess Anne, The Duke of Edinburgh, Prince Andrew, Peter Phillips, Prince William, Prince Edward and Prince Charles sing during the funeral service of the Queen Mother in central London, April 9, 2002.

Prince William walks barefoot on the beach at St. Andrews, Scotland, May 28, 2003.

An official royal portrait released to the media on June 21, 2003, of Britain's Prince William in celebration of his 21st birthday.

Britain's Prince Charles, left, and Camilla, the Duchess of Cornwall, leave the Guildhall in Windsor, southern England, with Prince Harry, left rear, and Prince William, right rear, after their civil wedding ceremony, April 9, 2005.

Britain's Prince William waves to well-wishers as he departs from his graduation ceremony at St. Andrews, June 23, 2005.

Britain's Prince William, right, marches during the Sovereign's Parade at the Royal Military Academy in Sandhurst, southern England, Dec. 15, 2006. Prince William graduated that day as an army officer to launch his military career.

Prince William and Kate Middleton watch the action during the RBS Six Nations Championship match between England and Italy at Twickenham on Feb. 10, 2007, in London, England.

Britain's Princes William, left, and Harry speak on stage at Wembley Stadium in London at the end of the "Concert for Diana," July 1, 2007.

Prince William, right, smiles as he receives his wings from his father, Prince Charles, at RAF Cranwell, central England, April 11, 2008.

Princes William and Harry smile during a photocall at Royal Air Force Shawbury near Shrewsbury, England, June 18, 2009. The princes were both based at the home of the Defence Helicopter Flying School as they underwent military helicopter training courses.

Prince William and Kate Middleton pose for photographs in the State Apartments of St. James Palace on Nov. 16, 2010, in London, England. The couple's engagement was announced that day.

One of two official engagement photographs of Prince William and Kate Middleton.

One of two official engagement photographs of Prince William and Kate Middleton.

Prince William kisses Kate Middleton at Buckingham Palace on his wedding day, April 29, 2011.

One of the official wedding portraits of Prince William and Kate Middleton.

Prince William speaks to Barbra Streisand and James Brolin at the BAFTA Brits to Watch event in Los Angeles on July 9, 2011.

Prince William poses with Kate Middleton during a reception before Queen Elizabeth's Diamond Jubilee lunch at Windsor Castle in London on May 18, 2012.

Prince William and Catherine, the Duchess of Cambridge, look at orchid hybrids named in their honor at the National Orchid Garden in the Singapore Botanic Gardens on Sept. 11, 2012.

Prince William and the Duchess of Cambridge leave King Edward VII Hospital, where she was hospitalized with acute morning sickness, on Dec. 6, 2012. Middleton's four-day hospital stay led the Royal Family to announce that she was pregnant with the couple's first child.

Prince William and the Duchess of Cambridge welcome their first child, a son, on July 22, 2013.

The Duchess of Cambridge and Prince William introduce their son to the world outside the Lindo Wing of St. Mary's Hospital on July 23, 2013. The couple appeared on the same steps where Diana, Princess of Wales, and Prince Charles gave the world its first sighting of Prince William 31 years ago.